WIPの質問は未解決一覧には含めず、全ての質問一覧にだけ含める

app/controllers/api/questions_controller.rb

@@ -11,7 +11,7 @@ def index
       elsif params[:all].present?
         Question.all
       else
-        Question.not_solved
+        Question.not_solved.not_wip
       end
     questions = params[:practice_id].present? ? questions.where(practice_id: params[:practice_id]) : questions
     questions = params[:user_id].present? ? Question.where(user_id: params[:user_id]) : questions

app/controllers/practices/questions_controller.rb

@@ -9,7 +9,7 @@ def index
       if params[:solved].present?
         @practice.questions.solved
       elsif params[:not_solved].present?
-        @practice.questions.not_solved
+        @practice.questions.not_solved.not_wip
       else
         @practice.questions
       end

test/system/practice/questions_test.rb

@@ -7,4 +7,15 @@ class Practice::QuestionsTest < ApplicationSystemTestCase
     visit_with_auth "/practices/#{practices(:practice1).id}/questions", 'hatsuno'
     assert_equal 'OS X Mountain Lionをクリーンインストールする | FJORD BOOT CAMP（フィヨルドブートキャンプ）', title
   end
+
+  test 'show a WIP question on the all questions list ' do
+    visit_with_auth "/practices/#{practices(:practice1).id}/questions", 'hatsuno'
+    assert_text 'wipテスト用の質問(wip中)'
+  end
+
+  test 'not show a WIP question on the unsolved questions list ' do
+    visit_with_auth "/practices/#{practices(:practice1).id}/questions?not_solved=true", 'hatsuno'
+    assert_no_text 'wipテスト用の質問(wip中)'
+    assert_selector('a.tab-nav__item-link.is-active', text: '未解決')
+  end
 end

test/system/questions_test.rb

@@ -293,15 +293,21 @@ class QuestionsTest < ApplicationSystemTestCase
     assert_selector '.thread-header-title__label.is-wip', text: 'WIP'
   end
 
-  test 'show a WIP question on the Q&A list page' do
-    visit_with_auth questions_path, 'kimura'
+  test 'show a WIP question on the All Q&A list page' do
+    visit_with_auth questions_path(all: 'true'), 'kimura'
     assert_text 'wipテスト用の質問(wip中)'
     element = all('.thread-list-item').find { |component| component.has_text?('wipテスト用の質問(wip中)') }
     within element do
       assert_selector '.thread-list-item-title__icon.is-wip', text: 'WIP'
     end
   end
 
+  test 'not show a WIP question on the unsolved Q&A list page' do
+    visit_with_auth questions_path, 'kimura'
+    assert_no_text 'wipテスト用の質問(wip中)'
+    assert_text '未解決の質問一覧'
+  end
+
   test "visit user profile page when clicked on user's name on question" do
     visit_with_auth questions_path, 'kimura'
     assert_text '質問のタブの作り方'